Light Gauge Steel Construction Concepts Light Gauge Steel Framing Members Steel components are cold-rolled from steel sheet. Light Gauge Steel Construction Concepts C-Studs and Joists Wall studs, floor joists, roof rafters, etc. Depth 1-5/8 to 12 in. Width 1-1/4 to 2-1/2 in. Metal thickness 0.018 to 0.097 in. (18 to 97 mils) Fundamentals of Building […]
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11 STEEL FRAME CONSTRUCTION HISTORY Making steel was labor intensive Use of steel was limited to weapons (e.g., Damascus steel swords), cutlery, other specialties 1750 and later Growth in use of cast iron framing in industrial buildings and other structures Right: Coalbrookdale Bridge, 1779, first all-metal structure Fundamentals of Building Construction, Materials & Methods, 6th Edition
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FORMWORK What is Formwork? Formwork is a mould including all supporting structures, used to shape and support the concrete until it attains sufficient strength to carry its own weight. It should be capable of carrying all imposed dead and live loads apart from its own weight. Formwork is commonly made of Steel Timber TIMBER FORMWORK
Paints and varnishes Paints Paints are used to protect metals, timber, or plastered surfaces from the corrosive effects of weather, heat, moisture or gases etc and to improve their appearance. Fundamental components of an oil-based paint are: Body Vehicle Pigment Thinner Dryer Body or Bases Makes the paint film harder and more resistant to abrasion
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BUILDING CONSTRUCTION PRE-CONSTRUCTION SITE WORKS (1) SITE SURVEY First of all site is surveyed and topographical details are drawn on the site plan. Plane table, Auto level and theodolite are used for this purpose. Contouring is done by any suitable method of contouring and the contours are drawn on the site plan. Following the contour map, site
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plastic POLYMER : The word polymer literally means ” many parts “. that contains many chemically bonded parts which themselves are bonded together to form a solid. Two industrially important polymeric materials are: Plastics Elastomers Plastic is a synthetic material made from a wide range of organic polymers such as polyethylene, PVC, nylon, etc., that can be
